Search Result for "overbite": 
Wordnet 3.0

NOUN (1)

1. (dentistry) malocclusion in which the upper teeth extend abnormally far over the lower teeth; 



WordNet (r) 3.0 (2006):

overbite
    n 1: (dentistry) malocclusion in which the upper teeth extend
         abnormally far over the lower teeth